/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.s4.comm.util;

import java.util.concurrent.TimeUnit;

import org.apache.s4.comm.tcp.TCPEmitter;
import org.apache.s4.comm.topology.Cluster;

import com.google.inject.Inject;
import com.yammer.metrics.Metrics;
import com.yammer.metrics.core.Meter;

public class EmitterMetrics {
    private final Meter[] emittersMeters;

    public EmitterMetrics(Cluster cluster) {
        emittersMeters = new Meter[cluster.getPhysicalCluster().getPartitionCount()];
        for (int i = 0; i < cluster.getPhysicalCluster().getPartitionCount(); i++) {
            emittersMeters[i] = Metrics.newMeter(TCPEmitter.class, "event-emitted@"
                    + cluster.getPhysicalCluster().getName() + "@partition-" + i, "event-emitted", TimeUnit.SECONDS);
        }
    }

    public void sentMessage(int partitionId) {
        emittersMeters[partitionId].mark();
    }
}
